CSRF in Mediawiki

CVE-2021-46147

An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. MassEditRegex allows CSRF.

Vulnerability class: CSRF (Cross-Site Request Forgery)

EPSS: 0.005 (41.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-46147?
CVE-2021-46147 is a high-severity vulnerability in Mediawiki, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2022-01-10.
How severe is CVE-2021-46147?
High severity. CVSS v3 base score is 8.8 out of 10.